CN109819997A - Self-cleaning degerming Essence, preparation method and self-cleaning degerming coating - Google Patents
Self-cleaning degerming Essence, preparation method and self-cleaning degerming coating Download PDFInfo
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- CN109819997A CN109819997A CN201910217798.8A CN201910217798A CN109819997A CN 109819997 A CN109819997 A CN 109819997A CN 201910217798 A CN201910217798 A CN 201910217798A CN 109819997 A CN109819997 A CN 109819997A
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Abstract
The present invention provides a kind of self-cleaning degerming Essence, preparation method and self-cleaning degerming coating, and the raw material of self-cleaning degerming Essence includes: the water of 65-95 parts by weight;The chain nanometer titanium dioxide silicon precursor of 5-35 parts by weight and the silver ion solution of 0.05-0.15 parts by weight.Its self-cleaning degerming coating formed of self-cleaning degerming Essence according to an embodiment of the present invention has self-cleaning anti-graffiti function, self-cleaning anti-graffiti rate >=97%, and has the effect of preferably sterilization, degerming.
Description
Technical field
The present invention relates to chemical environmental technology field, in particular to a kind of self-cleaning degerming Essence, preparation method and self-cleaning
Degerming coating.
Background technique
As the increasingly raising of human production activity, especially industrialization degree, especially people thirst for graceful environment,
Then various environment-friendly materials, functional material come into being.However the puzzlement of unavoidable various dusts and spot, especially in family
There is liking on cabinet on the wall for child, coating and drawing at random on sofa is swept very arduously, and, dirtier environment is easy
Bacterium is bred, therefore, a kind of can be convenient to clean is formed in cabinet with the film of self-cleaning degerming, the surfaces such as wall and does not influence the mankind
Health substance be particularly important.
Summary of the invention
In view of this, the present invention provides a kind of self-cleaning degerming Essence, the self-cleaning degerming coating which forms has
Self-cleaning anti-graffiti function and sterilization, the effect of degerming.
The present invention also provides a kind of preparation methods of self-cleaning degerming Essence.
The self-cleaning self-cleaning degerming coating of degerming Essence in order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of self-cleaning degerming Essence, raw material includes:
The water of 65-95 parts by weight;
The chain nanometer titanium dioxide silicon precursor of 5-35 parts by weight;And
The silver ion solution of 0.05-0.15 parts by weight.Preferably, contain in raw material:
The water of 75-85 parts by weight;
The chain nanometer titanium dioxide silicon precursor of 15-25 parts by weight;And
The silver ion solution of 0.1 parts by weight.
Preferably, the chain nanometer titanium dioxide silicon precursor include: methyltriethoxysilane, ethyl orthosilicate and
One of γ-glycidyl ether oxygen propyl trimethoxy silicane is a variety of.
Preferably, the methyltriethoxysilane containing 6 parts by weight in the chain nanometer titanium dioxide silicon precursor,
The ethyl orthosilicate of 5 parts by weight and γ-glycidyl ether oxygen propyl trimethoxy silicane of 7 parts by weight.
The preparation method of the self-cleaning degerming Essence of embodiment according to a second aspect of the present invention, comprising the following steps:
Step S1 provides the water of 65-95 parts by weight;
Step S2 provides the chain nanometer titanium dioxide silicon precursor of 5-35 parts by weight;
The chain nanometer titanium dioxide silicon precursor is added in the water and is mixed to get self-cleaning degerming essence by step S3
Liquid.
Preferably, in the step S1, the pH value of the water is adjusted to 5-6.
Preferably, the water of 75-85 parts by weight is provided in the step S1, provides 15-25 parts by weight in the step S2
The chain nanometer titanium dioxide silicon precursor.
Preferably, the chain nanometer titanium dioxide silicon precursor in the step S2 includes methyltriethoxysilane, positive silicon
One of acetoacetic ester and γ-glycidyl ether oxygen propyl trimethoxy silicane are a variety of.
Preferably, the methyltriethoxysilane containing 6 parts by weight in the chain nanometer titanium dioxide silicon precursor,
The ethyl orthosilicate of 5 parts by weight and γ-glycidyl ether oxygen propyl trimethoxy silicane of 7 parts by weight.
The self-cleaning degerming coating of the self-cleaning degerming Essence of the self-cleaning self-cleaning degerming coating of degerming Essence above-mentioned technology of the invention
Scheme one of at least has the advantages that:
(1) self-cleaning degerming Essence according to an embodiment of the present invention, be sprayed at leather, metal, wood materials, cement,
Behind concrete material part surface layer, by the webbed self-cleaning degerming coating of the nano silica shape of chain, have self-cleaning anti-graffiti
Function, self-cleaning anti-graffiti rate >=97%;
(2) it is added with silver ion, has the effect of preferably sterilization and degerming;
(3) it is suitable for use in the body surface of a variety of materials, there are preferable market prospects.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
The technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is of the invention one
Divide embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art are obtained
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Self-cleaning degerming Essence according to an embodiment of the present invention is specifically described first below.
Self-cleaning degerming Essence according to an embodiment of the present invention contains: the water of 65-95 parts by weight;0.05-0.15 parts by weight
Silver ion solution and 5-35 parts by weight chain nanometer titanium dioxide silicon precursor, that is to say, that by silver ion solution, water and
Chain nanometer titanium dioxide silicon precursor is mixed to form mixed liquor, wherein water, silver ion solution and chain nano-silica in mixed liquor
The parts by weight of SiClx presoma are respectively 65-95 parts by weight, 0.05-0.15 parts by weight and 5-35 parts by weight, are mixed by the ratio
Self-cleaning degerming Essence made of conjunction can be applied in energy film, that is, self-cleaning degerming that body surface forms one layer of potent stain resistance
Layer, the self-cleaning degerming coating are displayed with rugged super-hydrophobic nano hole, are formed in self-cleaning degerming coating surface intensive
Salient point, and then there is great surface area, so that self-cleaning degerming coating surface is formed biggish hydrophobic angle, dust is in gravity and external force
Under the action of automatically disengage, easily removed having dirty, self-cleaning anti-function with higher, and be added to silver ion, silver
Ion causes bacterial structure denaturation to inhibit DNA replication dna, bacterium is made to lose activity in conjunction with the DNA in germ spore, has preferable
Bactericidal effect.
Preferably, the water is 75-85 parts by weight, and the chain nanometer titanium dioxide silicon precursor is 15-25 parts by weight.It is logical
The self-cleaning degerming coating for crossing the self-cleaning degerming Essence formation of ratio mixing has self-cleaning anti-graffiti function, self-cleaning anti-graffiti rate
>=97%.
In a preferred embodiment of the present invention, water can choose ionized water, and so-called ionized water is i.e. by filtering originally
Water is allowed to purification and reaches national water quality standard, then passes through the electrolytically generated two kinds of active water of diaphragm.
It preferably, include methyltriethoxysilane, ethyl orthosilicate and γ-contracting in chain nanometer titanium dioxide silicon precursor
Water glycerol ether oxygen propyl trimethoxy silicane it is one or more.Pass through the available preferable chain nanometer titanium dioxide of the substance
Silicon precursor, and method is simply easy to operate, and yield is high, further, 6 weights is contained in chain nanometer titanium dioxide silicon precursor
Measure the methyltriethoxysilane, the ethyl orthosilicate of 5 parts by weight and γ-glycidol ether of 7 parts by weight of part
Oxygen propyl trimethoxy silicane.
Its self-cleaning degerming coating formed of self-cleaning degerming Essence according to an embodiment of the present invention has self-cleaning anti-graffiti
Function, wherein the effect of self-cleaning anti-graffiti rate >=97% and higher sterilization degerming.
The preparation method of self-cleaning degerming Essence according to an embodiment of the present invention is detailed below, comprising the following steps:
Step S1 provides the water of 65-95 parts by weight.
Wherein, water can be conventional selection, can preferably select ionized water, and the pH value of water is adjusted to 5-6, more have
Conducive to the formation of chain nanometer titanium dioxide silicon precursor.
Step S2 provides the chain nanometer titanium dioxide silicon precursor of 5-35 parts by weight;And
The silver ion solution of step S3,0.05-0.15 parts by weight, by silver ion solution and the chain nano silica
Presoma is added in the water and is mixed to get self-cleaning degerming Essence.
Preferably, the water is 75-85 parts by weight, and more having choosing is 82 parts by weight, before the chain nano silica
Drive body is 15-25 parts by weight, and more having choosing is 18 parts by weight, 0.1 parts by weight of silver ion solution.It is mixed by the ratio self-cleaning
Its self-cleaning degerming coating formed of degerming Essence has self-cleaning anti-graffiti function, the effect of self-cleaning anti-graffiti rate >=97% and sterilization
Fruit.
Preferably, chain nanometer titanium dioxide silicon precursor includes methyltriethoxysilane, ethyl orthosilicate and γ-shrink
One of glycerol ether oxygen propyl trimethoxy silicane is a variety of.
In the following, describing its process for generating chain nano silica by taking ethyl orthosilicate as an example.
In acid condition, electrophilic substitution reaction occurs for the oxygen atom of the proton attack ethyoxyl of silane, and ethyoxyl is by hydroxyl
Base replaces as shown in following formula (1).
Hereafter, it as shown in following formula (2), further reacts, forms silanol.
Meanwhile polycondensation reaction occurring between silanol.Polycondensation reaction formula nucleophilic addition, firstly, as shown in following formula (3),
Silanol is protonated, and hereafter, as shown in following formula (4), the silanol of protonation releases in conjunction with another silanol
H3O+, dimer is formed, material is thus formed the polymer of chain.
The chain polymer further hydrolyzes in air after spraying, raw catenulate nano silica.
Process is it is found that other than ethyl orthosilicate from the reactions above, since methyltriethoxysilane, γ-shrink are sweet
Oily ether oxygen propyl trimethoxy silicane equally has multiple ethyoxyls, similarly, chain polymer also can be generated, and pass through into one
One-step hydrolysis obtains the nano silica of chain.
It is highly preferred that the methyltriethoxysilane containing 6 parts by weight, 5 in the chain nanometer titanium dioxide silicon precursor
The ethyl orthosilicate of parts by weight and 7 parts by weight γ-glycidyl ether oxygen propyl trimethoxy silicanes.The plant of ratio mixing
Its self-cleaning degerming coating formed of the self-cleaning degerming Essence of object has self-cleaning anti-graffiti function, self-cleaning anti-graffiti rate >=97%.This
The ratio and its effect of each substance in the preparation method of the self-cleaning degerming Essence of the plant of invention are in the above-described embodiments
It is described in detail, details are not described herein.
This method preparation is simple, is suitble to industrialized production, and can prepare the self-cleaning degerming Essence of better quality, should
Essence forms self-cleaning anti-graffiti rate >=97% and higher sterilization, bacteria-eliminating efficacy after coating.
Self-cleaning degerming coating according to an embodiment of the present invention is detailed below.
Self-cleaning degerming coating of the invention is formed on coated article by the self-cleaning degerming Essence of above-described embodiment, wherein by
Coat can be wooden object, the object of metal material or leather etc., and it is self-cleaning that when use can spray this on coated article surface
Degerming Essence, when self-cleaning degerming Essence forms self-cleaning degerming coating after body surface natural drying, which is applied
Layer has the effect of self-cleaning anti-graffiti function and sterilization degerming.
Self-cleaning degerming Essence according to an embodiment of the present invention is detailed below in leather, metal, wood material member
Application.In use, cleaning objects surface, is uniformly sprayed at surface with appropriate by spraying, forms self-cleaning removes within natural surface drying 24 hours
Bacterium coating, it is preferable that spraying, which is preferred for 2 times, can achieve preferable effect.The self-cleaning degerming coating tool formed in body surface
There are self-cleaning anti-graffiti function, self-cleaning anti-graffiti rate >=97% and higher bactericidal effect.
In the above embodiment of the present invention, material used is not limited in the present invention, can be directly commercially available, or
It is prepared using conventional method.
The present invention is further understood combined with specific embodiments below.
Self-cleaning antigraffiti effect in the present invention detects establishing criteria: photocatalytic self-cleaning material performance test method (GB/T
23764-2009)。
Embodiment 1
(1) water of 95 parts by weight is weighed.
It is 5 by the pH value adjustment of water.
(2) the chain nanometer titanium dioxide silicon precursor of 4.9 parts by weight is weighed.
Specifically, the methyltriethoxysilane of 6 parts by weight, the ethyl orthosilicate of 5 parts by weight and 7 parts by weight are weighed
γ-glycidyl ether oxygen propyl trimethoxy silicane.
(3) silver ion solution of 0.1 parts by weight is weighed.
(4) preparation of self-cleaning degerming Essence
Above-mentioned chain nanometer titanium dioxide silicon precursor, silver ion solution and water are uniformly mixed and obtain self-cleaning degerming essence
Liquid.
The self-cleaning degerming Essence is sprayed on wooden sample surfaces, and self-cleaning degerming coating is formed after natural air drying, by the sample
Piece is tested by antigraffiti effect, and the self-cleaning anti-graffiti rate for measuring the self-cleaning degerming coating is 97% and higher sterilization, removes
The effect of bacterium.
Embodiment 2
(1) water of 65 parts by weight is weighed.
It is 6 by the pH value adjustment of water.
(2) the chain nanometer titanium dioxide silicon precursor of 35 parts by weight is weighed.
Specifically, including two kinds of methyltriethoxysilane, ethyl orthosilicate substances.
(3) silver ion solution of 0.05 parts by weight is weighed.(4) preparation of self-cleaning degerming Essence
By above-mentioned chain nanometer titanium dioxide silicon precursor, silver ion solution and water are uniformly mixed and obtain self-cleaning degerming essence
Liquid.
The self-cleaning degerming Essence is sprayed on leather sample surface, and self-cleaning degerming coating is formed after natural air drying, by the sample
Piece carries out scribble and is tested, and the self-cleaning anti-graffiti rate for measuring the self-cleaning degerming coating is 98%.
Embodiment 3
(1) water of 82 parts by weight is weighed.
It is 5 by the pH value adjustment of water.
(2) the chain nanometer titanium dioxide silicon precursor of 18 parts by weight is weighed.
Specifically, the methyltriethoxysilane of 6 parts by weight, the ethyl orthosilicate of 5 parts by weight and 7 parts by weight are weighed
γ-glycidyl ether oxygen propyl trimethoxy silicane.
(3) silver ion solution of 0.1 parts by weight is weighed.(4) preparation of self-cleaning degerming Essence
By above-mentioned chain nanometer titanium dioxide silicon precursor, silver ion solution and water are uniformly mixed and obtain self-cleaning degerming essence
Liquid.
The self-cleaning degerming Essence is sprayed on metal sample surface, and self-cleaning degerming coating is formed after natural air drying, by the sample
Piece carries out antigraffiti effect test, and the self-cleaning anti-graffiti rate of the self-cleaning degerming coating is the effect of 99% and higher sterilization, degerming.
Embodiment 4
(1) water of 82 parts by weight is weighed.
(2) the chain nanometer titanium dioxide silicon precursor of 18 parts by weight is weighed
Specifically, including methyltriethoxysilane and γ-glycidyl ether oxygen propyl trimethoxy silicane.
(3) silver ion solution of 0.15 parts by weight is weighed.
(4) preparation of self-cleaning degerming Essence
Above-mentioned chain nanometer titanium dioxide silicon precursor, silver ion solution and water are uniformly mixed and obtain self-cleaning degerming essence
Liquid.
The self-cleaning degerming Essence is sprayed on metal sample surface, and self-cleaning degerming coating is formed after natural air drying, by the sample
Piece carries out antigraffiti effect test, and the self-cleaning anti-graffiti rate of the self-cleaning degerming coating is the effect of 98% and higher sterilization, degerming.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of self-cleaning degerming Essence, which is characterized in that its raw material includes:
The water of 65-95 parts by weight;And
The chain nanometer titanium dioxide silicon precursor of 5-35 parts by weight;And
The silver ion solution of 0.05-0.15 parts by weight.
2. self-cleaning degerming Essence according to claim 1, which is characterized in that contain in its raw material:
The water of 75-85 parts by weight;And
The chain nanometer titanium dioxide silicon precursor of 15-25 parts by weight.
3. self-cleaning degerming Essence according to claim 2, which is characterized in that the chain nanometer titanium dioxide silicon precursor
It include: one of methyltriethoxysilane, ethyl orthosilicate and γ-glycidyl ether oxygen propyl trimethoxy silicane or more
Kind.
4. self-cleaning degerming Essence according to claim 3, which is characterized in that the chain nanometer titanium dioxide silicon precursor
In the methyltriethoxysilane containing 6 parts by weight, the ethyl orthosilicate of 5 parts by weight and 7 parts by weight γ-
Glycidyl ether oxygen propyl trimethoxy silicane.
5. a kind of preparation method of self-cleaning degerming Essence, which comprises the following steps:
Step S1 provides the water of 65-95 parts by weight;
Step S2 provides the chain nanometer titanium dioxide silicon precursor of 5-35 parts by weight;
Step S3 provides the silver ion solution of 0.05-0.15 parts by weight, by silver ion solution, the chain nano silica
Presoma is added in the water and is mixed to get self-cleaning degerming Essence.
6. preparation method according to claim 5, which is characterized in that in the step S1, the pH value of the water is adjusted
For 5-6.
7. preparation method according to claim 6, which is characterized in that the water of 75-85 parts by weight is provided in the step S1,
The chain nanometer titanium dioxide silicon precursor of 15-25 parts by weight is provided in the step S2.
8. preparation method according to claim 7, which is characterized in that before the chain nano silica in the step S2
Driving body includes one of methyltriethoxysilane, ethyl orthosilicate and γ-glycidyl ether oxygen propyl trimethoxy silicane
Or it is a variety of.
9. preparation method according to claim 8, which is characterized in that contain in the chain nanometer titanium dioxide silicon precursor
γ-glycidol ether of the methyltriethoxysilane of 6 parts by weight, the ethyl orthosilicate of 5 parts by weight and 7 parts by weight
Oxygen propyl trimethoxy silicane.
10. self-cleaning degerming Essence is in leather, metal, wood materials, cement, coagulation described in any one of claims 1 to 5
The application on soil material part surface layer.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110357417A (en) * | 2019-08-02 | 2019-10-22 | 翔实光电科技(昆山)有限公司 | The self-cleaning processing method of touched panel glass |
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CN1597810A (en) * | 2003-09-18 | 2005-03-23 | 中国科学院理化技术研究所 | Antifogging sterilization multifunctional coating and its preparation process and use |
CN102797145A (en) * | 2012-08-29 | 2012-11-28 | 紫罗兰家纺科技股份有限公司 | Nano titanium dioxide-nano silver mixed solution |
CN109486243A (en) * | 2018-10-16 | 2019-03-19 | 江苏四季森林纳米科技有限公司 | The self-cleaning Essence of plant, preparation method, self-cleaning coat, application and structural body |
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2019
- 2019-03-21 CN CN201910217798.8A patent/CN109819997A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1597810A (en) * | 2003-09-18 | 2005-03-23 | 中国科学院理化技术研究所 | Antifogging sterilization multifunctional coating and its preparation process and use |
CN102797145A (en) * | 2012-08-29 | 2012-11-28 | 紫罗兰家纺科技股份有限公司 | Nano titanium dioxide-nano silver mixed solution |
CN109486243A (en) * | 2018-10-16 | 2019-03-19 | 江苏四季森林纳米科技有限公司 | The self-cleaning Essence of plant, preparation method, self-cleaning coat, application and structural body |
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CN110357417A (en) * | 2019-08-02 | 2019-10-22 | 翔实光电科技(昆山)有限公司 | The self-cleaning processing method of touched panel glass |
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Application publication date: 20190531 |